Fires can be divided into different （）.

单项选择题We are loading dangerous cargo, no （）, please.

A.smoke
B.smoked
C.smoking
D.to smoke

单项选择题If there is a fire on board, inform the bridge and give the （）at once.

A.sound
B.sounding
C.alarm
D.signal

单项选择题Cast sea anchor to （）the speed of drifting raft.

A.control
B.controlling
C.controlled
D.controls

单项选择题（）the raft.

A.Right
B.Re-right
C.Toright
D.Beright

单项选择题“In no time” means（）.

A. have no time
B. in a minute
C. a long time
D. on time